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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Mar. 17, 2023 | Mar. 18, 2020 | Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of shares authorized |  |  | 5,700,000 |  |
Number of shares remaining available |  |  | 2,200,000 |  |
Compensation costs expensed |  |  | $ 3.1 | $ 2.8 |
Unrecognized compensation costs |  |  | $ 26.0 |  |
Compensation expected to be recognized, weighted-average period in years |  |  | 2 years 3 months 18 days |  |
Potential tax benefit, percentage |  |  | 24.00% |  |
Green Plains Partners Long-Term Incentive Plan |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of shares authorized |  |  | 2,500,000 |  |
Green Plains Partners Long-Term Incentive Plan | Green Plains Partners Merger |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares available for future issuance (in shares) |  |  | 1,200,000 |  |
Performance Shares |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Non-vested, shares outstanding (in shares) |  |  | 538,572 |  | 404,740
Vested (in shares) |  |  | 136,475 |  |
Performance Shares | Share-based Compensation Award, Tranche One |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Target percentage |  |  | 100.00% |  |
Number of Shares authorized, achievement of maximum goals |  |  | 1,077,144 |  |
Achievement of maximum goals percentage |  |  | 200.00% |  |
Non-vested, shares outstanding (in shares) |  |  | 538,572 |  |
Performance Shares | Share-based Compensation Award, Tranche Two |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Target percentage |  | 100.00% |  |  |
Vested (in shares) | 118,673 |  |  |  |
Vested target percentage | 115.00% |  |  |  |
Issuance of common stock (in shares) | 136,475 |  |  |  |

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